Efficient performance
The XL18i’s SEER rating of up to 18.0 makes it an energy-efficient choice for home comfort.

Two-stage cooling
Two stages of cooling (and heating, if applicable) meet any outdoor climate conditions and prevent interior temperature swings.

Durable and economical
Increased efficiency may substantially lower your home cooling costs. Materials for all components are tested again and again for long-lasting performance and durability.

Cleaner, healthier indoor air
Add Trane CleanEffects1 to your system for advanced air filtration that removes more dust, pollen and other irritants from conditioned air for a cleaner, healthier, more comfortable home.